So if you're like me, every penny counts. I don't have $300-$500 to throw at my car just whenever something decides to break. I recently had an issue with my DISA valve. I went out to start the car to warm it up (inside) and the SES light was on. I opened the hood to see what might be the issue...

Ok guys so my engine has been running lean for 5 months now and I finally examined my disa valve today. What I noticed was that it was very easy to take out and that the flap when moved would stay in the position I moved it and not flip back like a good valve should. Should I replace the whole...